TRS operates as a qualified governmental pension plan under Internal Revenue Code Section 401(a). TRS is also subject to other laws, rules and regulations applicable to Illinois public plans.

This information is required by Public Act 93-0499, 30 ILCS 237, and is updated by the 15th of every month.

Every effort has been made to provide accurate information. However, the information provided is based on preliminary, unaudited data and is subject to change.

The Illinois Municipal Retirement Fund was created in 1939 by the Illinois General Assembly and began operating in 1941 with 5 original employers and $5,000 in assets. Today IMRF serves almost 3,000 employers and has approximately $41 billion in assets.

Since 1941, IMRF has provided employees of local governments and school districts in Illinois (with the exception of the City of Chicago and Cook County) with a sound and efficient system for the payment of retirement, disability, and death benefits.

In 2019, the Illinois General Assembly passed Public Act 101-0504. The law requires IMRF to post certain employer cost and participation information on its website. IMRF will update these reports annually.